Operations

Windows Server 2022 — KB5027223 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5027223 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5027223 • MSRC update-guide entry Related CVEs: CVE-2023-29363 CVE-2023-32014 CVE-2023-32015 CVE-2023-32013 CVE-2023-24937 CVE-2023-24938 CVE-2023-29346 CVE-2023-29351  +12 more Affected components: Windows Server 2022 Windows Server 2022 (Server Core installation) Table of contents Symptom […]

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Oracle Linux 8 — sudo — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — sudo — vulnerability — patch and remediation guide (ELSA-2023-0284)

  • March 21, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0284 Related CVEs: CVE-2023-22809 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Configure Fine-Grained Password Policies on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Fine-Grained Password Policies on Windows Server 2022

Overview: Promoting a Server to Domain Controller Adding a second (or additional) domain controller to an existing Active Directory domain is one of the most critical operations an administrator performs. A single-DC environment is a single point of failure — if that DC goes down, authentication, Group Policy application, DNS resolution, and file access all […]

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Oracle Linux 9 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — security and stability fixes — required update (ELSA-2024-3306)

  • March 20, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3306 Related CVEs: CVE-2024-26643 CVE-2024-26642 CVE-2024-26804 CVE-2024-26673 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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FreeBSD 13 — py310-cinder — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-cinder — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 20, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 20 March 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-cinder — unauthorized data access Related CVEs: CVE-2014-3641 CVE-2022-47951 Upstream summary: Utkarsh Gupta reports: An issue was discovered in OpenStack Cinder before 19.1.2, 20.x before 20.0.2, and 21.0.0; Glance before […]

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openSUSE Tumbleweed — python38-future — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-future — vulnerability — patch and remediation guide

  • March 20, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0076-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-40899 Upstream summary: An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie […]

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How to Set Up Lynis Security Auditing on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Lynis Security Auditing on Oracle Linux 9

Introduction How to Set Up Lynis Security Auditing on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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FreeBSD 12 — qt5-core — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — qt5-core — vulnerability — patch and remediation guide

  • March 20, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 20 March 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Qt5 — QProcess unexpected search path Related CVEs: CVE-2022-25255 Upstream summary: The Qt Company reports: Recently, the Qt Project's security team was made aware of an issue regarding QProcess and […]

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